how much is the The NECROMANTIA / VARATHRON - Black Arts Lead To Everlasting Sins LP worth?

If it's the Black Power Records version, and obviously depending on condition, I think it would be fair to say somewhere between 80-100 Euros, maybe more. That record was hard to get, even back then, and certainly by the time that Unisound reissued it in 1994 it was impossible to find.